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Are planets with oxygen-rich atmospheres rare?

Complex life on Earth requires oxygen. Understanding how oxygen levels have evolved on our planet can provide an insight into our own evolution and the possibility of complex life evolving elsewhere. Current theories suggest that Earth's O2 levels have risen three times over its 4.5... click to read more

  • Lewis Alcott | PhD student at University of Leeds, Leeds, UK
  • Benjamin Mills | Associate Professor at University of Leeds, Leeds, UK
Views 2617
Reading time 3 min
published on Aug 11, 2020
When did land appear over water (and why does it matter)?

When Yuri Gagarin first saw the earth from the space in 1961 it looked as a blue-yellow planet with white clouds, a fragile view that was reinforced by the American astronauts who saw the Earth from the moon. The blue aquaplanet, completely covered with water... click to read more

  • Ilya Bindeman | Professor at University of Oregon, USA and University of Geneva, Switzerland
Views 3491
Reading time 4 min
published on Feb 12, 2019